Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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FOD817BS


Transistor Output Optocouplers TRANSISTOR OUTPUT SMD LEAD BEND
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ON Semiconductor 4117
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AUD 0.1729
Multiples of: 1

OR-1009


Optocouplers SMD-4 RoHS
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Orient 3889
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AUD 0.0646
Multiples of: 10

EL1010


5kV 50mA 300mV@1mA,10mA 1 6V 1.2V DC LSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

AOTE 3201
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AUD 0.0843
Multiples of: 5

VOT8024AB


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4
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Vishay 3193
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AUD 1.024
Multiples of: 1

TLP127GB-S


SOP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 3191
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AUD 0.1909
Multiples of: 5

Hot SFH6106-2


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 3179
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AUD 0.1954
Multiples of: 1

FODM217A


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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ON Semiconductor 3176
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AUD 0.316
Multiples of: 1

PS2705-1-F3-A


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SOP
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Renesas 3040
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AUD 0.2984
Multiples of: 5

TLP2161(TP,F)


High Speed Optocouplers Photocoupler, Photo IC Output
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Toshiba 2319
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AUD 1.2333
Multiples of: 1

ELD207(TA)-V


Everlight Transistor Output Optocouplers Optocouplers
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Everlight 0
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AUD 0.266
Multiples of: 5

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